/*
 * Copyright (c) 2022 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef SURFACE_CAPTURE_FUTURE_H
#define SURFACE_CAPTURE_FUTURE_H

#include "future.h"
#include "pixel_map.h"
#include "transaction/rs_render_service_client.h"
#include "dms_global_mutex.h"

namespace OHOS {
namespace Rosen {
class SurfaceCaptureFuture : public SurfaceCaptureCallback, public Future<std::shared_ptr<Media::PixelMap>> {
    constexpr static HiviewDFX::HiLogLabel TAG = {LOG_CORE, HILOG_DOMAIN_WINDOW, "SurfaceFuture"};
public:
    SurfaceCaptureFuture() = default;
    ~SurfaceCaptureFuture() {};
    void OnSurfaceCapture(std::shared_ptr<Media::PixelMap> pixelmap) override
    {
        hdrPixelMap_ = nullptr;
        FutureCall(pixelmap);
    }
    void OnSurfaceCaptureHDR(std::shared_ptr<Media::PixelMap> pixelmap,
        std::shared_ptr<Media::PixelMap> hdrPixelmap) override
    {
        std::unique_lock <std::mutex> lock(mutex_);
        if (!flag_) {
            pixelMap_ = pixelmap;
            hdrPixelMap_ = hdrPixelmap;
            flag_ = true;
        }
        conditionVariable_.notify_one();
    }
 
    std::vector<std::shared_ptr<Media::PixelMap>> GetHDRResult(long timeOut)
    {
        std::unique_lock <std::mutex> lock(mutex_);
        if (!DmUtils::safe_wait_for(conditionVariable_, lock,
            std::chrono::milliseconds(timeOut), [this] { return IsReady(); })) {
            OHOS::HiviewDFX::HiLog::Error(TAG, "wait for %{public}ld, timeout.", timeOut);
        }
        return { pixelMap_, hdrPixelMap_ };
    }

protected:
    void Call(std::shared_ptr<Media::PixelMap> pixelmap) override
    {
        if (!flag_) {
            pixelMap_ = pixelmap;
            flag_ = true;
        }
    }
    bool IsReady() override
    {
        return flag_;
    }
    std::shared_ptr<Media::PixelMap> FetchResult() override
    {
        return pixelMap_ == nullptr ? hdrPixelMap_ : pixelMap_;
    }
private:
    bool flag_ = false;
    std::shared_ptr<Media::PixelMap> pixelMap_ = nullptr;
    std::shared_ptr<Media::PixelMap> hdrPixelMap_ = nullptr;
};
} // Rosen
} // OHOS
#endif  // SURFACE_CAPTURE_FUTURE_H